[jira] [Commented] (HADOOP-7298) Add test utility for writing multi-threaded tests

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-7298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13054848#comment-13054848 ] 

Hadoop QA commented on HADOOP-7298:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12483809/hadoop-7298.txt
  against trunk revision 1139476.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 4 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    +1 core tests.  The patch passed core unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/673//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/673//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/673//console

This message is automatically generated.

> Add test utility for writing multi-threaded tests
> -------------------------------------------------
>
>                 Key: HADOOP-7298
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7298
>             Project: Hadoop Common
>          Issue Type: Test
>          Components: test
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 0.22.0, 0.23.0
>
>         Attachments: hadoop-7298.txt, hadoop-7298.txt
>
>
> A lot of our tests spawn off multiple threads in order to check various synchronization issues, etc. It's often tedious to write these kinds of tests because you have to manually propagate exceptions back to the main thread, etc.
> In HBase we have developed a testing utility which makes writing these kinds of tests much easier. I'd like to copy that utility into Hadoop so we can use it here as well.

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